<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        .product {
            width: 300px;
            font-family: sans-serif;
            margin: 2%;
        }
        .product-image {
            background: pink;
            margin-bottom: 10px;
            position: relative;
            min-height: 250px;
        }
        .onsale-section {
            position: absolute;
            top: -6px;
            right: 15px;
        }
        .onsale-section:after {
            position: absolute;
            content: '';
            display: block;
            width: 0;
            height: 0;
            border-left: 50px solid transparent;
            border-right: 50px solid transparent;
            border-top: 6px solid #6ec5d5;
        }
        .onsale {
            position: relative;
            display: inline-block;
            text-align: center;
            color: #fff;
            background: #6ec5d5;
            font-size: 14px;
            line-height: 1;
            padding: 12px 8px 6px;
            border-top-right-radius: 8px;
            width: 84px;
            text-transform: uppercase;
        }
        .onsale:before,
        .onsale:after {
            position: absolute;
            content: '';
            display: block;
        }
        .onsale:before {
            background: #6ec5d5;
            height: 7px;
            width: 6px;
            left: -6px;
            top: 0;
        }
        .onsale:after {
            background: #96a0a2;
            height: 7px;
            width: 8px;
            border-radius: 8px 8px 0 0;
            left: -8px;
            top: 0;
        }
        .product img {
            display: block;
        }
    </style>
</head>
<body>
<div class="product">

    <div class="product-image">
        <span class="onsale-section"><span class="onsale">Save 10%</span></span>
    </div>

</div>
</body>
</html>